Bicycle&#39;s seat pillar clamp



FIG. 1 is a top plan view of the design;

FIG. 2 is a bottom plan view of the design;

FIG. 3 is a front elevation view of the design;

FIG. 4 is a rear elevation view of the design;

FIG. 5 is a right side elevation view of the design;

FIG. 6 is a left side elevation view of the design;

FIG. 7 is a top, front, and left perspective view of the design; and,

FIG. 8 is a cross-sectional view taken in the direction of the arrows on line 8--8 of FIG. 6. 

The ornamental design of a bicycle's seat pillar clamp, as shown and described. 